Doing Group owns Henan Oil Mechanical Equipment Co., Ltd., Project Technology Company, Xinxiang Renewable Energy and Leeyn Ltd. Doing have been specialized in all kinds of oil equipment researching, designing, manufacturing, selling installing. Our ...

After years of development, Henan Pacific energy technology co., ltd has become the leader organic waste pyrolysis, advocate new product and technology. We can offer package integrate solution in biodiesel equipment, solid pyrolysis acrylic recycling, ...